Tag Archives | period

Complete information on the progresses and developments made in the scientific period of psychology

Ideas from philosophy and natural sciences were combined to give rise to the development of the new field of psychology. In the last quarter of the nineteenth century, psychology established itself as an independent discipline.

By |2011-01-29T17:55:03+00:00January 29, 2011|Psychology|Comments Off on Complete information on the progresses and developments made in the scientific period of psychology

What are the characteristics of a period ?

A horizontal row of elements in the periodic table is called a period. There are seven periods in the periodic table. Each period starts with Group 1(alkali metal group), and ends up with Group 18(noble elements group).

By |2010-12-30T17:17:57+00:00December 30, 2010|Chemistry|Comments Off on What are the characteristics of a period ?

How do the atomic properties vary with a period ?

Variations in the atomic properties of elements in any period are discussed below. Atomic number: In a period, the elements are arranged in the order of increasing atomic number. The atomic number increases by one unit atomic each element from left to right in a period.

By |2010-12-30T17:16:48+00:00December 30, 2010|Chemistry|Comments Off on How do the atomic properties vary with a period ?
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